Source/core/dom/CustomElementUpgradeCandidateMap.h

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#ifndef CustomElementUpgradeCandidateMap_h
#define CustomElementUpgradeCandidateMap_h

#include "core/dom/CustomElementDefinition.h"
#include "core/dom/Element.h"
#include "wtf/HashMap.h"
#include "wtf/HashSet.h"
#include "wtf/Noncopyable.h"
#include "wtf/text/AtomicString.h"
#include "wtf/text/AtomicStringHash.h"

namespace WebCore {

class CustomElementUpgradeCandidateMap {
    WTF_MAKE_NONCOPYABLE(CustomElementUpgradeCandidateMap);
public:
    CustomElementUpgradeCandidateMap() { }

    typedef HashSet<Element*> ElementSet;

    void add(CustomElementDefinition::CustomElementKind, const AtomicString& type, Element*);
    bool contains(Element*) const;
    void remove(Element*);
    ElementSet takeUpgradeCandidatesFor(CustomElementDefinition*);

private:
    typedef std::pair<CustomElementDefinition::CustomElementKind, AtomicString> RequiredDefinition;
    typedef HashMap<Element*, RequiredDefinition> UnresolvedElementMap;
    typedef HashMap<AtomicString, ElementSet> UnresolvedDefinitionMap;

    bool matches(CustomElementDefinition*, Element*);

    UnresolvedElementMap m_unresolvedElements;
    UnresolvedDefinitionMap m_unresolvedDefinitions;
};

}

#endif // CustomElementUpgradeCandidateMap_h